View the most religious surnames in Ireland

Where Does The Last Name Kilfoyle Come From? ^{nationality or country of origin}

The last name Kilfoyle is borne by more people in The United States than any other country/territory. It can also occur in the variant forms:. Click here for other potential spellings of this surname.

How Common Is The Last Name Kilfoyle? ^{popularity and diffusion}

The last name is the 357,522^nd most frequently held family name internationally, held by around 1 in 7,179,848 people. This surname occurs mostly in The Americas, where 66 percent of Kilfoyle are found; 66 percent are found in North America and 66 percent are found in Anglo-North America.

It is most frequently occurring in The United States, where it is borne by 575 people, or 1 in 630,363. In The United States it is primarily found in: Ohio, where 11 percent live, California, where 11 percent live and Utah, where 10 percent live. Aside from The United States this last name is found in 10 countries. It also occurs in Canada, where 16 percent live and England, where 14 percent live.

Kilfoyle Family Population Trend ^{historical fluctuation}

The occurrence of Kilfoyle has changed over time. In The United States the number of people bearing the Kilfoyle surname expanded 737 percent between 1880 and 2014; in England it expanded 194 percent between 1881 and 2014 and in Ireland it decreased 52 percent between 1901 and 2014.

Kilfoyle Last Name Statistics ^demography

The religious adherence of those bearing the surname is primarily Catholic (100%) in Ireland.

In The United States those holding the Kilfoyle last name are 1.24% more likely to be registered Democrats than The US average, with 54.47% being registered with the party.

The amount Kilfoyle earn in different countries varies somewhat. In United States they earn 13.66% more than the national average, earning $49,042 USD per year and in Canada they earn 0.75% less than the national average, earning $49,310 CAD per year.